Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
03-07-2024 06:18
Static task
static1
Behavioral task
behavioral1
Sample
215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe
Resource
win7-20240508-en
windows7-x64
8 signatures
150 seconds
General
-
Target
215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe
-
Size
157KB
-
MD5
215b41cd90a32c5fae14b7c6d7af5a4f
-
SHA1
c84ddaad21ad7dc4e9e3db192c1a64eb52e5f4e1
-
SHA256
cda7a1f1dc730b202063b0c8e53b669ce109eaec61310f44f991dbbfc2ef8075
-
SHA512
75791cf26b96df8d77abf5cf150550a698a45e1d42780c4baf28e68956a93d90ce05fc608c1dc36fcd07b4f0621d9ac426b2b03c278579da2f48c6c6805ecfc4
-
SSDEEP
3072:4AxOF9HwBJa2vMjrmok3XxK6T9X5pKV/NB+GQIiqGgyVcU4TZP8eJ:89wBJa2EmvXxKy9q5jQIi1gyR8
Malware Config
Signatures
-
Drops file in System32 directory 4 IoCs
Processes:
ribbonexec.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 ribbonexec.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE ribbonexec.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies ribbonexec.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 ribbonexec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies data under HKEY_USERS 3 IoCs
Processes:
ribbonexec.exedescription ioc process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix ribbonexec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" ribbonexec.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" ribbonexec.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
ribbonexec.exepid process 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe 4556 ribbonexec.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exepid process 3880 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exeribbonexec.exedescription pid process target process PID 3204 wrote to memory of 3880 3204 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe PID 3204 wrote to memory of 3880 3204 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe PID 3204 wrote to memory of 3880 3204 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe 215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe PID 4472 wrote to memory of 4556 4472 ribbonexec.exe ribbonexec.exe PID 4472 wrote to memory of 4556 4472 ribbonexec.exe ribbonexec.exe PID 4472 wrote to memory of 4556 4472 ribbonexec.exe ribbonexec.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3204 -
C:\Users\Admin\AppData\Local\Temp\215b41cd90a32c5fae14b7c6d7af5a4f_JaffaCakes118.exe--edc461c62⤵
- Suspicious behavior: RenamesItself
PID:3880
-
C:\Windows\SysWOW64\ribbonexec.exe"C:\Windows\SysWOW64\ribbonexec.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Windows\SysWOW64\ribbonexec.exe--477010d92⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4556